This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-16 13:09:57,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-16 13:09:57,949 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-16 13:09:57,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-16 13:09:57,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-16 13:09:57,981 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-16 13:09:57,982 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-16 13:09:57,982 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-16 13:09:57,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-16 13:09:57,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-16 13:09:57,985 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-16 13:09:57,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-16 13:09:57,986 INFO L153 SettingsManager]: * Use SBE=true [2024-10-16 13:09:57,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-16 13:09:57,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-16 13:09:57,986 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-16 13:09:57,987 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-16 13:09:57,987 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-16 13:09:57,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-16 13:09:57,989 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-16 13:09:57,990 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-16 13:09:57,990 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-16 13:09:57,990 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-16 13:09:57,990 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-16 13:09:57,991 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-16 13:09:57,994 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-16 13:09:57,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-16 13:09:57,994 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-16 13:09:57,994 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-16 13:09:57,995 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-16 13:09:57,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 13:09:57,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-16 13:09:57,995 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-16 13:09:57,995 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-16 13:09:57,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-16 13:09:57,995 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-16 13:09:57,996 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-16 13:09:57,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-16 13:09:57,996 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-16 13:09:57,996 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-16 13:09:57,996 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-16 13:09:57,997 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc60b32bd5539dadbcbe1bdf86f21665a573ec180c72ba491085256c00923963 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> SYMBOLIC_RELATION [2024-10-16 13:09:58,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-16 13:09:58,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-16 13:09:58,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-16 13:09:58,296 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-16 13:09:58,296 INFO L274 PluginConnector]: CDTParser initialized [2024-10-16 13:09:58,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe003_tso.i [2024-10-16 13:09:59,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-16 13:09:59,936 INFO L384 CDTParser]: Found 1 translation units. [2024-10-16 13:09:59,937 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe003_tso.i [2024-10-16 13:09:59,954 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/214491522/6bd1286b8ba64eabb4f7742505400d41/FLAG5c301ed0e [2024-10-16 13:09:59,969 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/214491522/6bd1286b8ba64eabb4f7742505400d41 [2024-10-16 13:09:59,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-16 13:09:59,972 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-16 13:09:59,973 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-16 13:09:59,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-16 13:09:59,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-16 13:09:59,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:09:59" (1/1) ... [2024-10-16 13:09:59,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f52106d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:09:59, skipping insertion in model container [2024-10-16 13:09:59,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:09:59" (1/1) ... [2024-10-16 13:10:00,024 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-16 13:10:00,192 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe003_tso.i[945,958] [2024-10-16 13:10:00,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 13:10:00,308 INFO L200 MainTranslator]: Completed pre-run [2024-10-16 13:10:00,323 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe003_tso.i[945,958] [2024-10-16 13:10:00,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 13:10:00,376 INFO L204 MainTranslator]: Completed translation [2024-10-16 13:10:00,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:00 WrapperNode [2024-10-16 13:10:00,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-16 13:10:00,377 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-16 13:10:00,377 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-16 13:10:00,377 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-16 13:10:00,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:00" (1/1) ... [2024-10-16 13:10:00,402 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:00" (1/1) ... [2024-10-16 13:10:00,424 INFO L138 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-10-16 13:10:00,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-16 13:10:00,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-16 13:10:00,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-16 13:10:00,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-16 13:10:00,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:00" (1/1) ... [2024-10-16 13:10:00,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:00" (1/1) ... [2024-10-16 13:10:00,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:00" (1/1) ... [2024-10-16 13:10:00,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:00" (1/1) ... [2024-10-16 13:10:00,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:00" (1/1) ... [2024-10-16 13:10:00,443 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:00" (1/1) ... [2024-10-16 13:10:00,444 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:00" (1/1) ... [2024-10-16 13:10:00,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:00" (1/1) ... [2024-10-16 13:10:00,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-16 13:10:00,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-16 13:10:00,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-16 13:10:00,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-16 13:10:00,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:00" (1/1) ... [2024-10-16 13:10:00,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 13:10:00,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 13:10:00,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-16 13:10:00,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-16 13:10:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-16 13:10:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-16 13:10:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-16 13:10:00,522 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-16 13:10:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-16 13:10:00,522 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-16 13:10:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-16 13:10:00,522 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-16 13:10:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-16 13:10:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-16 13:10:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-16 13:10:00,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-16 13:10:00,524 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-16 13:10:00,696 INFO L238 CfgBuilder]: Building ICFG [2024-10-16 13:10:00,701 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-16 13:10:00,844 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-16 13:10:00,845 INFO L287 CfgBuilder]: Performing block encoding [2024-10-16 13:10:00,933 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-16 13:10:00,933 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-16 13:10:00,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:10:00 BoogieIcfgContainer [2024-10-16 13:10:00,934 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-16 13:10:00,935 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-16 13:10:00,936 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-16 13:10:00,938 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-16 13:10:00,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:09:59" (1/3) ... [2024-10-16 13:10:00,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332ce5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:10:00, skipping insertion in model container [2024-10-16 13:10:00,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:00" (2/3) ... [2024-10-16 13:10:00,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332ce5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:10:00, skipping insertion in model container [2024-10-16 13:10:00,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:10:00" (3/3) ... [2024-10-16 13:10:00,941 INFO L112 eAbstractionObserver]: Analyzing ICFG safe003_tso.i [2024-10-16 13:10:00,954 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-16 13:10:00,954 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-16 13:10:00,955 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-16 13:10:00,988 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-16 13:10:01,024 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-16 13:10:01,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-16 13:10:01,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 13:10:01,027 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-16 13:10:01,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-16 13:10:01,101 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-16 13:10:01,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 13:10:01,118 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-16 13:10:01,122 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@c688bff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-16 13:10:01,123 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-16 13:10:01,752 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 13:10:01,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 13:10:01,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1633081653, now seen corresponding path program 1 times [2024-10-16 13:10:01,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 13:10:01,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970159604] [2024-10-16 13:10:01,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:10:01,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:10:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:10:02,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:10:02,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 13:10:02,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970159604] [2024-10-16 13:10:02,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970159604] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 13:10:02,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 13:10:02,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-16 13:10:02,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323058920] [2024-10-16 13:10:02,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 13:10:02,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-16 13:10:02,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 13:10:02,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-16 13:10:02,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-16 13:10:02,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:10:02,383 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 13:10:02,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 13:10:02,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:10:02,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:10:02,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-16 13:10:02,590 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 13:10:02,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1270972834, now seen corresponding path program 1 times [2024-10-16 13:10:02,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:10:02,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:10:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:10:02,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:10:02,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:10:02,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:10:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:10:02,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:10:02,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-16 13:10:02,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-16 13:10:02,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-16 13:10:02,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:10:02,921 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 13:10:02,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 13:10:02,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:10:02,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:10:03,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:10:03,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 13:10:03,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-10-16 13:10:03,036 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 13:10:03,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1284411560, now seen corresponding path program 1 times [2024-10-16 13:10:03,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:10:03,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:10:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:10:03,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-16 13:10:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:10:03,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 13:10:03,132 INFO L85 PathProgramCache]: Analyzing trace with hash -534173673, now seen corresponding path program 1 times [2024-10-16 13:10:03,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 13:10:03,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438337293] [2024-10-16 13:10:03,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:10:03,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:10:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:10:03,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:10:03,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 13:10:03,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438337293] [2024-10-16 13:10:03,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438337293] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 13:10:03,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 13:10:03,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-16 13:10:03,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111546841] [2024-10-16 13:10:03,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 13:10:03,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-16 13:10:03,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 13:10:03,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-16 13:10:03,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-16 13:10:03,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:10:03,282 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 13:10:03,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 13:10:03,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:10:03,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 13:10:03,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:10:04,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-16 13:10:04,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 13:10:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-16 13:10:04,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3 [2024-10-16 13:10:04,492 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 13:10:04,516 INFO L85 PathProgramCache]: Analyzing trace with hash 576653674, now seen corresponding path program 1 times [2024-10-16 13:10:04,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:10:04,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:10:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:10:04,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:10:04,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:10:04,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:10:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:10:04,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:10:04,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-16 13:10:04,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-16 13:10:04,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-16 13:10:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:10:04,697 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 13:10:04,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 13:10:04,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-16 13:10:04,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 13:10:04,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-16 13:10:04,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:10:05,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-16 13:10:05,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 13:10:05,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-16 13:10:05,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 13:10:05,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-16 13:10:05,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-16 13:10:05,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-16 13:10:05,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-16 13:10:05,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-10-16 13:10:05,100 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-16 13:10:05,104 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-16 13:10:05,104 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-16 13:10:05,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:10:05 BasicIcfg [2024-10-16 13:10:05,106 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-16 13:10:05,106 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-16 13:10:05,106 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-16 13:10:05,107 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-16 13:10:05,107 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:10:00" (3/4) ... [2024-10-16 13:10:05,109 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-16 13:10:05,112 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-16 13:10:05,112 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-16 13:10:05,112 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-16 13:10:05,114 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-10-16 13:10:05,115 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-10-16 13:10:05,115 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-16 13:10:05,115 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-16 13:10:05,183 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-16 13:10:05,184 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-16 13:10:05,184 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-16 13:10:05,185 INFO L158 Benchmark]: Toolchain (without parser) took 5212.61ms. Allocated memory was 77.6MB in the beginning and 224.4MB in the end (delta: 146.8MB). Free memory was 41.4MB in the beginning and 95.0MB in the end (delta: -53.6MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. [2024-10-16 13:10:05,185 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 77.6MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-16 13:10:05,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.26ms. Allocated memory is still 77.6MB. Free memory was 41.2MB in the beginning and 42.4MB in the end (delta: -1.1MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-10-16 13:10:05,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.94ms. Allocated memory is still 77.6MB. Free memory was 42.4MB in the beginning and 40.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-16 13:10:05,186 INFO L158 Benchmark]: Boogie Preprocessor took 20.31ms. Allocated memory is still 77.6MB. Free memory was 40.5MB in the beginning and 39.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-16 13:10:05,186 INFO L158 Benchmark]: RCFGBuilder took 486.21ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 39.1MB in the beginning and 80.4MB in the end (delta: -41.3MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-10-16 13:10:05,186 INFO L158 Benchmark]: TraceAbstraction took 4170.63ms. Allocated memory was 113.2MB in the beginning and 224.4MB in the end (delta: 111.1MB). Free memory was 78.9MB in the beginning and 99.2MB in the end (delta: -20.3MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. [2024-10-16 13:10:05,187 INFO L158 Benchmark]: Witness Printer took 78.14ms. Allocated memory is still 224.4MB. Free memory was 99.2MB in the beginning and 95.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-16 13:10:05,190 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 77.6MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.26ms. Allocated memory is still 77.6MB. Free memory was 41.2MB in the beginning and 42.4MB in the end (delta: -1.1MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.94ms. Allocated memory is still 77.6MB. Free memory was 42.4MB in the beginning and 40.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.31ms. Allocated memory is still 77.6MB. Free memory was 40.5MB in the beginning and 39.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 486.21ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 39.1MB in the beginning and 80.4MB in the end (delta: -41.3MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4170.63ms. Allocated memory was 113.2MB in the beginning and 224.4MB in the end (delta: 111.1MB). Free memory was 78.9MB in the beginning and 99.2MB in the end (delta: -20.3MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. * Witness Printer took 78.14ms. Allocated memory is still 224.4MB. Free memory was 99.2MB in the beginning and 95.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14109, independent: 13629, independent conditional: 12935, independent unconditional: 694, dependent: 480, dependent conditional: 449, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14105, independent: 13629, independent conditional: 12935, independent unconditional: 694, dependent: 476, dependent conditional: 446, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14105, independent: 13629, independent conditional: 12935, independent unconditional: 694, dependent: 476, dependent conditional: 446, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14105, independent: 13629, independent conditional: 12935, independent unconditional: 694, dependent: 476, dependent conditional: 446, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16194, independent: 13629, independent conditional: 12935, independent unconditional: 694, dependent: 2565, dependent conditional: 2505, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16194, independent: 13629, independent conditional: 310, independent unconditional: 13319, dependent: 2565, dependent conditional: 203, dependent unconditional: 2362, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16194, independent: 13629, independent conditional: 310, independent unconditional: 13319, dependent: 2565, dependent conditional: 203, dependent unconditional: 2362, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 766, independent: 716, independent conditional: 22, independent unconditional: 694, dependent: 50, dependent conditional: 20, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 766, independent: 686, independent conditional: 0, independent unconditional: 686, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 80, independent: 30, independent conditional: 22, independent unconditional: 8, dependent: 50, dependent conditional: 20, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 80, independent: 30, independent conditional: 22, independent unconditional: 8, dependent: 50, dependent conditional: 20, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1746, independent: 770, independent conditional: 617, independent unconditional: 154, dependent: 976, dependent conditional: 281, dependent unconditional: 695, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 16194, independent: 12913, independent conditional: 288, independent unconditional: 12625, dependent: 2515, dependent conditional: 183, dependent unconditional: 2332, unknown: 766, unknown conditional: 42, unknown unconditional: 724] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 716, Positive conditional cache size: 22, Positive unconditional cache size: 694, Negative cache size: 50, Negative conditional cache size: 20, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14927, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16194, independent: 13629, independent conditional: 12935, independent unconditional: 694, dependent: 2565, dependent conditional: 2505, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16194, independent: 13629, independent conditional: 310, independent unconditional: 13319, dependent: 2565, dependent conditional: 203, dependent unconditional: 2362, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16194, independent: 13629, independent conditional: 310, independent unconditional: 13319, dependent: 2565, dependent conditional: 203, dependent unconditional: 2362, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 766, independent: 716, independent conditional: 22, independent unconditional: 694, dependent: 50, dependent conditional: 20, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 766, independent: 686, independent conditional: 0, independent unconditional: 686, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 80, independent: 30, independent conditional: 22, independent unconditional: 8, dependent: 50, dependent conditional: 20, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 80, independent: 30, independent conditional: 22, independent unconditional: 8, dependent: 50, dependent conditional: 20, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1746, independent: 770, independent conditional: 617, independent unconditional: 154, dependent: 976, dependent conditional: 281, dependent unconditional: 695, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 16194, independent: 12913, independent conditional: 288, independent unconditional: 12625, dependent: 2515, dependent conditional: 183, dependent unconditional: 2332, unknown: 766, unknown conditional: 42, unknown unconditional: 724] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 716, Positive conditional cache size: 22, Positive unconditional cache size: 694, Negative cache size: 50, Negative conditional cache size: 20, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14927 ], Independence queries for same thread: 4, Persistent sets #1 benchmarks: Persistent set computation time: 1.0s, Number of persistent set computation: 1233, Number of trivial persistent sets: 537, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 724, independent: 694, independent conditional: 0, independent unconditional: 694, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14109, independent: 13629, independent conditional: 12935, independent unconditional: 694, dependent: 480, dependent conditional: 449, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14105, independent: 13629, independent conditional: 12935, independent unconditional: 694, dependent: 476, dependent conditional: 446, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14105, independent: 13629, independent conditional: 12935, independent unconditional: 694, dependent: 476, dependent conditional: 446, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14105, independent: 13629, independent conditional: 12935, independent unconditional: 694, dependent: 476, dependent conditional: 446, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16194, independent: 13629, independent conditional: 12935, independent unconditional: 694, dependent: 2565, dependent conditional: 2505, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16194, independent: 13629, independent conditional: 310, independent unconditional: 13319, dependent: 2565, dependent conditional: 203, dependent unconditional: 2362, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16194, independent: 13629, independent conditional: 310, independent unconditional: 13319, dependent: 2565, dependent conditional: 203, dependent unconditional: 2362, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 766, independent: 716, independent conditional: 22, independent unconditional: 694, dependent: 50, dependent conditional: 20, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 766, independent: 686, independent conditional: 0, independent unconditional: 686, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 80, independent: 30, independent conditional: 22, independent unconditional: 8, dependent: 50, dependent conditional: 20, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 80, independent: 30, independent conditional: 22, independent unconditional: 8, dependent: 50, dependent conditional: 20, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1746, independent: 770, independent conditional: 617, independent unconditional: 154, dependent: 976, dependent conditional: 281, dependent unconditional: 695, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 16194, independent: 12913, independent conditional: 288, independent unconditional: 12625, dependent: 2515, dependent conditional: 183, dependent unconditional: 2332, unknown: 766, unknown conditional: 42, unknown unconditional: 724] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 716, Positive conditional cache size: 22, Positive unconditional cache size: 694, Negative cache size: 50, Negative conditional cache size: 20, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14927, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16194, independent: 13629, independent conditional: 12935, independent unconditional: 694, dependent: 2565, dependent conditional: 2505, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16194, independent: 13629, independent conditional: 310, independent unconditional: 13319, dependent: 2565, dependent conditional: 203, dependent unconditional: 2362, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16194, independent: 13629, independent conditional: 310, independent unconditional: 13319, dependent: 2565, dependent conditional: 203, dependent unconditional: 2362, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 766, independent: 716, independent conditional: 22, independent unconditional: 694, dependent: 50, dependent conditional: 20, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 766, independent: 686, independent conditional: 0, independent unconditional: 686, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 80, independent: 30, independent conditional: 22, independent unconditional: 8, dependent: 50, dependent conditional: 20, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 80, independent: 30, independent conditional: 22, independent unconditional: 8, dependent: 50, dependent conditional: 20, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1746, independent: 770, independent conditional: 617, independent unconditional: 154, dependent: 976, dependent conditional: 281, dependent unconditional: 695, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 16194, independent: 12913, independent conditional: 288, independent unconditional: 12625, dependent: 2515, dependent conditional: 183, dependent unconditional: 2332, unknown: 766, unknown conditional: 42, unknown unconditional: 724] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 716, Positive conditional cache size: 22, Positive unconditional cache size: 694, Negative cache size: 50, Negative conditional cache size: 20, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14927 ], Independence queries for same thread: 4 - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 62 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 279 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.6s, ConditionalCommutativityCheckTime: 0.6s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 2, ConditionalCommutativityConditionCalculations: 7, ConditionalCommutativityTraceChecks: 3, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-16 13:10:05,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-16 13:10:05,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...